diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/bug.c | 1 | ||||
-rw-r--r-- | lib/debugobjects.c | 1 | ||||
-rw-r--r-- | lib/digsig.c | 2 | ||||
-rw-r--r-- | lib/dma-debug.c | 2 | ||||
-rw-r--r-- | lib/dump_stack.c | 1 | ||||
-rw-r--r-- | lib/ioremap.c | 39 | ||||
-rw-r--r-- | lib/is_single_threaded.c | 5 | ||||
-rw-r--r-- | lib/nmi_backtrace.c | 1 | ||||
-rw-r--r-- | lib/percpu_ida.c | 3 | ||||
-rw-r--r-- | lib/plist.c | 1 | ||||
-rw-r--r-- | lib/radix-tree.c | 4 | ||||
-rw-r--r-- | lib/refcount.c | 14 | ||||
-rw-r--r-- | lib/rhashtable.c | 1 | ||||
-rw-r--r-- | lib/sbitmap.c | 1 | ||||
-rw-r--r-- | lib/smp_processor_id.c | 2 | ||||
-rw-r--r-- | lib/syscall.c | 1 |
16 files changed, 62 insertions, 17 deletions
diff --git a/lib/bug.c b/lib/bug.c index bc3656e944d2..06edbbef0623 100644 --- a/lib/bug.c +++ b/lib/bug.c @@ -45,6 +45,7 @@ #include <linux/kernel.h> #include <linux/bug.h> #include <linux/sched.h> +#include <linux/rculist.h> extern const struct bug_entry __start___bug_table[], __stop___bug_table[]; diff --git a/lib/debugobjects.c b/lib/debugobjects.c index 8c28cbd7e104..17afb0430161 100644 --- a/lib/debugobjects.c +++ b/lib/debugobjects.c @@ -13,6 +13,7 @@ #include <linux/debugobjects.h> #include <linux/interrupt.h> #include <linux/sched.h> +#include <linux/sched/task_stack.h> #include <linux/seq_file.h> #include <linux/debugfs.h> #include <linux/slab.h> diff --git a/lib/digsig.c b/lib/digsig.c index 55b8b2f41a9e..03d7c63837ae 100644 --- a/lib/digsig.c +++ b/lib/digsig.c @@ -85,7 +85,7 @@ static int digsig_verify_rsa(struct key *key, struct pubkey_hdr *pkh; down_read(&key->sem); - ukp = user_key_payload(key); + ukp = user_key_payload_locked(key); if (ukp->datalen < sizeof(*pkh)) goto err1; diff --git a/lib/dma-debug.c b/lib/dma-debug.c index 60c57ec936db..b157b46cc9a6 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -17,8 +17,10 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <linux/sched/task_stack.h> #include <linux/scatterlist.h> #include <linux/dma-mapping.h> +#include <linux/sched/task.h> #include <linux/stacktrace.h> #include <linux/dma-debug.h> #include <linux/spinlock.h> diff --git a/lib/dump_stack.c b/lib/dump_stack.c index c30d07e99dba..625375e7f11f 100644 --- a/lib/dump_stack.c +++ b/lib/dump_stack.c @@ -6,6 +6,7 @@ #include <linux/kernel.h> #include <linux/export.h> #include <linux/sched.h> +#include <linux/sched/debug.h> #include <linux/smp.h> #include <linux/atomic.h> diff --git a/lib/ioremap.c b/lib/ioremap.c index a3e14ce92a56..4bb30206b942 100644 --- a/lib/ioremap.c +++ b/lib/ioremap.c @@ -14,6 +14,7 @@ #include <asm/pgtable.h> #ifdef CONFIG_HAVE_ARCH_HUGE_VMAP +static int __read_mostly ioremap_p4d_capable; static int __read_mostly ioremap_pud_capable; static int __read_mostly ioremap_pmd_capable; static int __read_mostly ioremap_huge_disabled; @@ -35,6 +36,11 @@ void __init ioremap_huge_init(void) } } +static inline int ioremap_p4d_enabled(void) +{ + return ioremap_p4d_capable; +} + static inline int ioremap_pud_enabled(void) { return ioremap_pud_capable; @@ -46,6 +52,7 @@ static inline int ioremap_pmd_enabled(void) } #else /* !CONFIG_HAVE_ARCH_HUGE_VMAP */ +static inline int ioremap_p4d_enabled(void) { return 0; } static inline int ioremap_pud_enabled(void) { return 0; } static inline int ioremap_pmd_enabled(void) { return 0; } #endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */ @@ -94,14 +101,14 @@ static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr, return 0; } -static inline int ioremap_pud_range(pgd_t *pgd, unsigned long addr, +static inline int ioremap_pud_range(p4d_t *p4d, unsigned long addr, unsigned long end, phys_addr_t phys_addr, pgprot_t prot) { pud_t *pud; unsigned long next; phys_addr -= addr; - pud = pud_alloc(&init_mm, pgd, addr); + pud = pud_alloc(&init_mm, p4d, addr); if (!pud) return -ENOMEM; do { @@ -120,6 +127,32 @@ static inline int ioremap_pud_range(pgd_t *pgd, unsigned long addr, return 0; } +static inline int ioremap_p4d_range(pgd_t *pgd, unsigned long addr, + unsigned long end, phys_addr_t phys_addr, pgprot_t prot) +{ + p4d_t *p4d; + unsigned long next; + + phys_addr -= addr; + p4d = p4d_alloc(&init_mm, pgd, addr); + if (!p4d) + return -ENOMEM; + do { + next = p4d_addr_end(addr, end); + + if (ioremap_p4d_enabled() && + ((next - addr) == P4D_SIZE) && + IS_ALIGNED(phys_addr + addr, P4D_SIZE)) { + if (p4d_set_huge(p4d, phys_addr + addr, prot)) + continue; + } + + if (ioremap_pud_range(p4d, addr, next, phys_addr + addr, prot)) + return -ENOMEM; + } while (p4d++, addr = next, addr != end); + return 0; +} + int ioremap_page_range(unsigned long addr, unsigned long end, phys_addr_t phys_addr, pgprot_t prot) { @@ -135,7 +168,7 @@ int ioremap_page_range(unsigned long addr, pgd = pgd_offset_k(addr); do { next = pgd_addr_end(addr, end); - err = ioremap_pud_range(pgd, addr, next, phys_addr+addr, prot); + err = ioremap_p4d_range(pgd, addr, next, phys_addr+addr, prot); if (err) break; } while (pgd++, addr = next, addr != end); diff --git a/lib/is_single_threaded.c b/lib/is_single_threaded.c index 391fd23976a2..9c7d89df40ed 100644 --- a/lib/is_single_threaded.c +++ b/lib/is_single_threaded.c @@ -9,8 +9,9 @@ * as published by the Free Software Foundation; either version * 2 of the Licence, or (at your option) any later version. */ - -#include <linux/sched.h> +#include <linux/sched/signal.h> +#include <linux/sched/task.h> +#include <linux/sched/mm.h> /* * Returns true if the task does not share ->mm with another thread/process. diff --git a/lib/nmi_backtrace.c b/lib/nmi_backtrace.c index 5f7999eacad5..4e8a30d1c22f 100644 --- a/lib/nmi_backtrace.c +++ b/lib/nmi_backtrace.c @@ -17,6 +17,7 @@ #include <linux/kprobes.h> #include <linux/nmi.h> #include <linux/cpu.h> +#include <linux/sched/debug.h> #ifdef arch_trigger_cpumask_backtrace /* For reliability, we're prepared to waste bits here. */ diff --git a/lib/percpu_ida.c b/lib/percpu_ida.c index 6d40944960de..6016f1deb1f5 100644 --- a/lib/percpu_ida.c +++ b/lib/percpu_ida.c @@ -14,6 +14,7 @@ * General Public License for more details. */ +#include <linux/mm.h> #include <linux/bitmap.h> #include <linux/bitops.h> #include <linux/bug.h> @@ -22,7 +23,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/percpu.h> -#include <linux/sched.h> +#include <linux/sched/signal.h> #include <linux/string.h> #include <linux/spinlock.h> #include <linux/percpu_ida.h> diff --git a/lib/plist.c b/lib/plist.c index 3a30c53db061..199408f91057 100644 --- a/lib/plist.c +++ b/lib/plist.c @@ -175,6 +175,7 @@ void plist_requeue(struct plist_node *node, struct plist_head *head) #ifdef CONFIG_DEBUG_PI_LIST #include <linux/sched.h> +#include <linux/sched/clock.h> #include <linux/module.h> #include <linux/init.h> diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 5ed506d648c4..691a9ad48497 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -2129,8 +2129,8 @@ int ida_pre_get(struct ida *ida, gfp_t gfp) struct ida_bitmap *bitmap = kmalloc(sizeof(*bitmap), gfp); if (!bitmap) return 0; - bitmap = this_cpu_cmpxchg(ida_bitmap, NULL, bitmap); - kfree(bitmap); + if (this_cpu_cmpxchg(ida_bitmap, NULL, bitmap)) + kfree(bitmap); } return 1; diff --git a/lib/refcount.c b/lib/refcount.c index 1d33366189d1..aa09ad3c30b0 100644 --- a/lib/refcount.c +++ b/lib/refcount.c @@ -58,7 +58,7 @@ bool refcount_add_not_zero(unsigned int i, refcount_t *r) val = old; } - WARN(new == UINT_MAX, "refcount_t: saturated; leaking memory.\n"); + WARN_ONCE(new == UINT_MAX, "refcount_t: saturated; leaking memory.\n"); return true; } @@ -66,7 +66,7 @@ EXPORT_SYMBOL_GPL(refcount_add_not_zero); void refcount_add(unsigned int i, refcount_t *r) { - WARN(!refcount_add_not_zero(i, r), "refcount_t: addition on 0; use-after-free.\n"); + WARN_ONCE(!refcount_add_not_zero(i, r), "refcount_t: addition on 0; use-after-free.\n"); } EXPORT_SYMBOL_GPL(refcount_add); @@ -97,7 +97,7 @@ bool refcount_inc_not_zero(refcount_t *r) val = old; } - WARN(new == UINT_MAX, "refcount_t: saturated; leaking memory.\n"); + WARN_ONCE(new == UINT_MAX, "refcount_t: saturated; leaking memory.\n"); return true; } @@ -111,7 +111,7 @@ EXPORT_SYMBOL_GPL(refcount_inc_not_zero); */ void refcount_inc(refcount_t *r) { - WARN(!refcount_inc_not_zero(r), "refcount_t: increment on 0; use-after-free.\n"); + WARN_ONCE(!refcount_inc_not_zero(r), "refcount_t: increment on 0; use-after-free.\n"); } EXPORT_SYMBOL_GPL(refcount_inc); @@ -125,7 +125,7 @@ bool refcount_sub_and_test(unsigned int i, refcount_t *r) new = val - i; if (new > val) { - WARN(new > val, "refcount_t: underflow; use-after-free.\n"); + WARN_ONCE(new > val, "refcount_t: underflow; use-after-free.\n"); return false; } @@ -164,7 +164,7 @@ EXPORT_SYMBOL_GPL(refcount_dec_and_test); void refcount_dec(refcount_t *r) { - WARN(refcount_dec_and_test(r), "refcount_t: decrement hit 0; leaking memory.\n"); + WARN_ONCE(refcount_dec_and_test(r), "refcount_t: decrement hit 0; leaking memory.\n"); } EXPORT_SYMBOL_GPL(refcount_dec); @@ -204,7 +204,7 @@ bool refcount_dec_not_one(refcount_t *r) new = val - 1; if (new > val) { - WARN(new > val, "refcount_t: underflow; use-after-free.\n"); + WARN_ONCE(new > val, "refcount_t: underflow; use-after-free.\n"); return true; } diff --git a/lib/rhashtable.c b/lib/rhashtable.c index c5b9b9351cec..f8635fd57442 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -19,6 +19,7 @@ #include <linux/init.h> #include <linux/log2.h> #include <linux/sched.h> +#include <linux/rculist.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/mm.h> diff --git a/lib/sbitmap.c b/lib/sbitmap.c index 55e11c4b2f3b..60e800e0b5a0 100644 --- a/lib/sbitmap.c +++ b/lib/sbitmap.c @@ -15,6 +15,7 @@ * along with this program. If not, see <https://www.gnu.org/licenses/>. */ +#include <linux/sched.h> #include <linux/random.h> #include <linux/sbitmap.h> #include <linux/seq_file.h> diff --git a/lib/smp_processor_id.c b/lib/smp_processor_id.c index 1afec32de6f2..690d75b132fa 100644 --- a/lib/smp_processor_id.c +++ b/lib/smp_processor_id.c @@ -22,7 +22,7 @@ notrace static unsigned int check_preemption_disabled(const char *what1, * Kernel threads bound to a single CPU can safely use * smp_processor_id(): */ - if (cpumask_equal(tsk_cpus_allowed(current), cpumask_of(this_cpu))) + if (cpumask_equal(¤t->cpus_allowed, cpumask_of(this_cpu))) goto out; /* diff --git a/lib/syscall.c b/lib/syscall.c index 63239e097b13..17d5ff5fa6a3 100644 --- a/lib/syscall.c +++ b/lib/syscall.c @@ -1,5 +1,6 @@ #include <linux/ptrace.h> #include <linux/sched.h> +#include <linux/sched/task_stack.h> #include <linux/export.h> #include <asm/syscall.h> |